package com.itheima.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

//定义拦截
@RestControllerAdvice(annotations = {RestController.class, Controller.class})
@Slf4j
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex) {

        log.info(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")) {
            //Duplicate entry 'niyu' for key 'idx_username'
            String msg = ex.getMessage();
            String[] strings = msg.split(" ");
            msg = strings[2] + "已存在";
            return R.error(msg);
        }
        return R.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex) {
        log.info(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
